/*
 * Copyright (C) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
function FormData() {
    let data = {};

    this.append = (name, value, option) => {
        if (!data.hasOwnProperty(name)) {
            data[name] = [];
        }
        data[name].push({
            value: value,
            option: option
        })
    }

    this.get = (name) => {
        if (data.hasOwnProperty(name)) {
            return data[name][0];
        }
        return undefined;
    }

    this.has = (name) => {
        return data.hasOwnProperty(name);
    }

    this.delete = (name) => {
        return delete data[name];
    }

    this.set = (name, value, option) => {
        data[name] = [];
        data[name].push({
            value: value,
            option: option
        })
    }

    this.forEach = (callback) => {
        for (let prop in data) {
            for (let item of data[prop]) {
                callback(item.value, prop, item.option)
            }
        }
    }
}

module.exports = FormData;
